The 10 universities with the most current US senators among their graduates

Cory Booker attended Stanford University and Yale University.

Gary Reyes/MediaNews Group/Bay Area News via Getty Images Some US colleges have numerous alums who went on to prolific political careers in the Senate.

Many of the colleges listed are Ivy League or have extremely low acceptance rates.

Harvard University tops the list, with 13 current senators among its alums.

US senators come from all sorts of different educational backgrounds .

Some graduated from the US Naval Academy or smaller private schools, but 42 of the 100 US senators came from 10 prominent universities, according to biographies on the US Senate website.

Harvard University , the oldest college in the country and one of the hardest to get into , boasts the largest number of current senators among its alums.

The senators on this list are alums of the schools' undergraduate, graduate, doctoral, law, or medical programs, and some have graduated from multiple of the listed universities.

Honorary degrees and schools a senator attended without graduating were excluded.

Here's a look at which US colleges have produced the most current senators.

Brigham Young University BYU had a 70.2% acceptance rate for its current freshman class.

George Frey/Bloomberg via Getty Images Senators: Mike Crapo (R-ID), Mike Lee (R-UT), and John Curtis (R-UT).

Sen.

Crapo graduated from BYU in Utah with a bachelor's degree in political science, as did Sen.